≒10 - Mental Math Puzzle
YUICHI NAKATANI Games iPhoneiPadiPod touch
≒10 - Mental Math Puzzle is a free Games app for iPhone and iPad by YUICHI NAKATANI. Requires iOS 15.0. Updated September 27, 2026.
- Price
- Free
- on the App Store
- Size
- 8 MB
- Age 4+
- Updated
- Sep 27
- 2026 · v1.4.1
Screenshots
About ≒10 - Mental Math Puzzle
Pick the number or expression closest to 10. ≒10 (Near Equal Ten) is a fast, simple, and surprisingly deep mental math and number puzzle that tests calculation, focus, and quick judgment. Compare answers from addition, subtraction, multiplication, and division, then tap the card closest to 10 before time runs out. The rules are easy, but the number of choices grows with your score, reaching eight cards at the highest difficulty. SOLO SCORE ATTACK - Build combos with consecutive correct answers - Earn speed bonuses by answering quickly - Face changing difficulty and time limits - Review your five best local scores in HIGH SCORE - Compete in the ALL and TODAY shared rankings across iOS and Android PASS & PLAY Pass one device around for a local challenge with 2 to 99 players. Each player answers five questions under the same rules. The final screen shows the standings, winner, and penalty candidate. It is ideal for quick games with friends or family, deciding turns, or adding a playful challenge to an event. This is not online multiplayer. MADE FOR QUICK PLAY - Interactive first-run tutorial - Three-count before starting or resuming - Break button to pause during a game - Native sharing for results and the app - Sound on/off control - No account or sign-in required SHARED ONLINE RANKING Change your display name and compare scores across iOS and Android. Personal information and inappropriate words are restricted. Problematic display names can be reported, and reported players are hidden on your device. OPTIONAL CONTINUE After game over, you can choose to watch a rewarded ad and continue. If an ad is unavailable, the game is designed not to leave you stuck. Enjoy a quick arithmetic quiz during commutes, breaks, or study time. Chase your own best score or hand the device to friends and see who comes out on top.
What’s new
Version 1.4.1 · Updated September 27, 2026
Fixed Today tab bug in rankings
App privacy
The developer, YUICHI NAKATANI, reported these privacy practices to Apple.
Data Linked to You
The following data, which may be collected and linked to your identity, may be used for the following purposes:
- Identifiers: Device ID
- Usage Data: Product Interaction, Advertising Data
- Diagnostics: Performance Data
Used for: Third-Party Advertising, Analytics, App Functionality
Data Not Linked to You
The following data, which may be collected but is not linked to your identity, may be used for the following purposes:
- Diagnostics: Crash Data
Used for: Third-Party Advertising, Analytics, App Functionality
Alternatives to ≒10 - Mental Math Puzzle
Looking for apps like ≒10 - Mental Math Puzzle? Here are 6 similar apps on the App Store. The highest rated is Let's Play! Oink Games (4.8/5), and all 6 are free to download.
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| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| ≒10 - Mental Math Puzzle | – | Free | September 27, 2026 | |
| Make 10s -keep your mind sharp | – | Free | Aug 24, 2026 | Compare |
| Limp Zoo | 4.7 / 5 (244) | Free | May 9, 2026 | Compare |
| Human Tower. | 4.1 / 5 (31) | Free | Jun 23, 2026 | Compare |
| Minesweeper ZERO | 4.0 / 5 (4) | Free | Oct 14, 2025 | Compare |
| Let's Play! Oink Games | 4.8 / 5 (125) | Free | Oct 23, 2026 | Compare |
| Hello Kitty Friends | 4.7 / 5 (3,308) | Free | Oct 21, 2026 | Compare |